Home / 22,013.76-30,379.08-12,582.64

Finding the Fourth Proportional to 22,013.76, 30,379.08 and 12,582.64

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Solution

The fourth proportional to 22,013.76, 30,379.08 and 12,582.64 is: 17,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.76 : 30,379.08 = 12,582.64 : x
  2. Step 2: Convert to fraction form
    22,013.76/30,379.08 = 12,582.64/x
  3. Step 3: Cross multiply
    22,013.76x = 30,379.08 × 12,582.64
  4. Step 4: Simplify right side
    22,013.76x = 382,249,027.17
  5. Step 5: Solve for x
    x = 382,249,027.17/22,013.76
  6. Step 6: Final answer
    x = 17,364.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.